Proposal would boost regional economy, proponents say, but progressives argue it is inconsistent with his views

BURLINGTON, Vt.—Bernie Sanders’s support for a plan to base military jets in his home state has put him at odds with some progressives who otherwise approve of his platforms.

Mr. Sanders has joined with Democratic and Republican officials in Vermont to support the plan, which is set to start sending F-35 jets to the Burlington International Airport next month and base 20 aircraft there by the summer of 2020.